<template>
    <div>
        <el-button type="primary" @click="dialogFormVisible = true;operataType = 'save'" style="margin-bottom: 20px;">添加购物车商品</el-button>
        <el-dialog title="商品信息" :visible.sync="dialogFormVisible" @close="handleClose">
            <el-form :model="productCarts">
                <el-form-item label="购物车商品编号" :label-width="formLabelWidth">
                    <el-input v-model="productCarts.id" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="购物车编号" :label-width="formLabelWidth">
                    <el-input v-model="productCarts.shop_cart_id" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="商品编号" :label-width="formLabelWidth">
                    <el-input v-model="productCarts.product_id" autocomplete="off"></el-input>
                </el-form-item>
                <!-- <el-form-item label="商品数量" :label-width="formLabelWidth">
                    <el-input v-model="productCarts.product_num" autocomplete="off"></el-input>
                </el-form-item> -->
                <el-form-item label="商品数量" :label-width="formLabelWidth" prop="product_num":rules="[
                    { required: true}]">
                <el-input-number v-model="productCarts.product_num" :min="0" label="商品数量"></el-input-number>
                </el-form-item>  
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取 消</el-button>
                <el-button type="primary" @click="handleSave">确 定</el-button>
            </div>
        </el-dialog>
        <!-- 数据表格 -->
        <el-table :data="productCart" style="width: 100%">
            <el-table-column type="selection" width="55"></el-table-column>
            <el-table-column label="购物车商品编号" width="180">
                <template slot-scope="scope">
                    <td>{{ scope.row.id }}</td>
                </template>
            </el-table-column>
            <el-table-column label="购物车编号" width="180">
                <template slot-scope="scope">
                    <td>{{ scope.row.shop_cart_id }}</td>
                </template>
            </el-table-column>
            <el-table-column label="商品编号" width="180">
                <template slot-scope="scope">
                    <td>{{ scope.row.product_id }}</td>
                </template>
            </el-table-column>
            <el-table-column label="商品数量" width="180">
                <template slot-scope="scope">
                    <td>{{ scope.row.product_num }}</td>
                </template>
            </el-table-column>
            <el-table-column label="操作">
                <template slot-scope="scope">
                    <el-button size="mini" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
                    <el-button size="mini" type="danger" @click="handleDelete(scope.$index, scope.row)">删除</el-button>
                </template>
            </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-pagination background layout="prev, pager, next" :total="total" :page-size="pageSize"
            :current-page="current" @current-change="load">
        </el-pagination>
    </div>
</template>
<script>
export default {
    name: "ShopCartProductView",
    data() {
        return {
            //购物车商品列表
            productCart: [],
            dialogFormVisible: false, //控制对话框的显示
            formLabelWidth: '120px',
            productCarts: { id: '', shop_cart_id: '', product_id: '', product_num: '' },//用户数据
            operataType: '',//操作类型  save  update
            total: 0,//用户总数
            pageSize: 2,//每页行数
            current: 0,//当前页数
        }
    },
    methods: {
        //加载函数
        load(current) {
            //分页
            this.current = current
            //调用后台的方法，参数是url
            this.$http.get('shop_cart_product?action=page&current=' + this.current + "&pageSize=" + this.pageSize)
                .then(resp => {
                    //处理后台返回的结果
                    console.log(resp.data)
                    //数据绑定
                    if (resp.data.data) {
                        this.productCart = resp.data.data.records
                        this.total = resp.data.data.total
                    }
                })
        },
        handleEdit(index, row) {
            this.operataType = 'update';
            //显示对话框，绑定数据
            this.dialogFormVisible = true;
            //进行深克隆 row-->Strign-->json
            this.productCarts = JSON.parse(JSON.stringify(row));
        },
        //保存数据操作
        handleSave() {
            if (this.operataType == 'save') {
                //添加用户操作
                console.log('save shop_cart_product')
                this.$http.post('/shop_cart_product?action=save', this.$qs.stringify(this.productCarts))
                    .then(resp => {
                        console.log('save shop_cart_product', resp.data)
                        if (resp.data.data == true) {
                            this.load(this.current);
                        }
                    })
            } else {
                //更新用户操作
                this.$http.post('/shop_cart_product?action=update', this.$qs.stringify(this.productCarts))
                    .then(resp => {
                        console.log('update shop_cart_product', resp.data)
                        if (resp.data.data == true) {
                            this.load(this.current);
                        }
                    })
            }
            this.dialogFormVisible = false
        },
        handleDelete(index, row) {
            this.$confirm('是否确定删除?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(() => {
                this.$http.post('/shop_cart_product?action=delete&id=' + row.id).then(resp => {
                    if (resp.data.data == true) {
                        this.load(this.current);
                        this.$message({
                            type: 'success',
                            message: '删除成功!'
                        });
                    }
                })
            }).catch(() => {
                this.$message({
                    type: 'info',
                    message: '已取消删除'
                });
            });
        },
        //对话框关闭
        handleClose() {
            this.productCarts = { id: '', shop_cart_id: '', product_id: '', product_num: '' },//用户数据
                this.operataType = ''
        }
    },
    //页面挂载钩子
    mounted() {
        this.load(1)
    }
}

</script>

<style>
  .el-table .warning-row {
    background: oldlace;
  }

  .el-table .success-row {
    background: #f0f9eb;
  }
</style>